// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#pragma once

#include <cantor/proto/parser/ast.pb.h>
#include <turbo/utility/status.h>
#include <cantor/unresolved/statement.h>

namespace cantor::unresolved {
    class Unresolved {
    public:
        Unresolved() = default;

        Unresolved(cantor::pb::ast::Statements &&statements) : _statements(std::move(statements)) {
        }

        const cantor::pb::ast::Statements &statements() const {
            return _statements;
        }
        turbo::Status parse_query(const std::string &sql);

        turbo::Status parse_expressions(const std::string &exprs);

        turbo::Result<std::string> to_json() const;

        turbo::Status from_json(const std::string &j);

        std::vector<UnresolvedStatement> result;
    private:
        cantor::pb::ast::Statements _statements;

        void setup_result();
    };
} // namespace cantor::unresolved
